Borrowing Arrangements - Narrative (Details) $ in Thousands	Jun. 30, 2026 USD ($) advance	Dec. 31, 2025 USD ($)
Borrowing Arrangements
Debt instrument, interest rate, stated percentage	5.53%
Debt securities amortized cost	$ 605,273	$ 509,083
Available-for-sale debt securities	570,088	469,410
Overnight Borrowings
Borrowing Arrangements
Borrowings	$ 135,000	$ 73,000
Debt instrument, interest rate, stated percentage	4.08%	4.02%
Short-Term Advances
Borrowing Arrangements
Borrowings	$ 40,000
Debt, Weighted Average Interest Rate	3.93%
Long Term Line of Credit, Number of Advances Outstanding \| advance	4
Line of Credit \| Unsecured Credit Lines
Borrowing Arrangements
Total credit limit	$ 150,000	$ 110,000
Line of Credit Facility, Advances Outstanding	0	0
Line of Credit \| Federal Reserve Bank \| Federal Reserve Bank Advances
Borrowing Arrangements
Total credit limit	3,101	3,411
Collateral pledged	3,600	3,910
Fair value of collateral	3,204	3,536
Federal Home Loan Bank Advances
Borrowing Arrangements
Remaining borrowing capacity	703,907
Federal Home Loan Bank Advances \| Asset Pledged as Collateral
Borrowing Arrangements
Debt securities amortized cost	199,836	156,669
Available-for-sale debt securities	235,414	$ 198,374
Federal Home Loan Bank Advances \| Asset Pledged as Collateral \| Financing Receivable
Borrowing Arrangements
Financial Instruments, Owned, at Fair Value	$ 1,308,871

Line of Credit Facility, Advances Outstanding

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Long Term Line of Credit, Number of Advances Outstanding

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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